7230640

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1$

素因数の和:170

約数の個数: 80

約数和(自身を含む): 18213120

約数和(自身を除く): 10982480

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 67, 71, 76, 80, 95, 134, 142, 152, 190, 268, 284, 304, 335, 355, 380, 536, 568, 670, 710, 760, 1072, 1136, 1273, 1340, 1349, 1420, 1520, 2546, 2680, 2698, 2840, 4757, 5092, 5360, 5396, 5680, 6365, 6745, 9514, 10184, 10792, 12730, 13490, 19028, 20368, 21584, 23785, 25460, 26980, 38056, 47570, 50920, 53960, 76112, 90383, 95140, 101840, 107920, 180766, 190280, 361532, 380560, 451915, 723064, 903830, 1446128, 1807660, 3615320, 7230640]

約数ペア:

[(1, 7230640), (2, 3615320), (4, 1807660), (5, 1446128), (8, 903830), (10, 723064), (16, 451915), (19, 380560), (20, 361532), (38, 190280), (40, 180766), (67, 107920), (71, 101840), (76, 95140), (80, 90383), (95, 76112), (134, 53960), (142, 50920), (152, 47570), (190, 38056), (268, 26980), (284, 25460), (304, 23785), (335, 21584), (355, 20368), (380, 19028), (536, 13490), (568, 12730), (670, 10792), (710, 10184), (760, 9514), (1072, 6745), (1136, 6365), (1273, 5680), (1340, 5396), (1349, 5360), (1420, 5092), (1520, 4757), (2546, 2840), (2680, 2698)]